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学者姓名：阳灿
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Abstract ：
光催化臭氧化技术作为一种新兴的高级氧化工艺,相较于传统臭氧化技术,展现出显著提升的氧化效能与环境治理潜力.光催化臭氧化技术的创新之处在于将光催化与臭氧化进行耦合,通过光生载流子(e-与h+)驱动臭氧活化,生成羟基自由基(•OH)和超氧自由基(•O2-)等高活性氧物种,形成多路径氧化网络,实现污染物的快速降解与深度矿化.相关研究表明,该技术可显著降低臭氧投加量并有效控制残留臭氧浓度,兼具经济性与环境友好性.然而,光生电子参与的臭氧还原过程涉及吸附-解离-自由基级联反应等诸多复杂步骤,其在分子层面的作用机制仍有待进一步明确,这已然成为制约该技术优化的关键科学难题. 针对光催化臭氧化反应中臭氧活化机制的复杂性,本文采用晶面工程策略,深入探究并阐明了催化剂表面结构对臭氧吸附与活化行为所起到的决定性影响.以层状Bi2O2CO3(BOC)为模型催化剂,研究发现{110}晶面与{001}晶面凭借差异化的原子排布,能够调控臭氧吸附特性与反应路径.BOC-{110}吸附臭氧能力强,可直接解离O3为表面原子氧(*O)与氧气(O2),主导表面直接氧化路径;而BOC-{001}则具有适中的O3吸附能力,有利于光生电子向O3转移,形成•O3-中间体,经质子化作用进一步生成•OH与O2,主导自由基间接氧化路径.原位光谱表征证实了这种晶面依赖的臭氧活化差异:红外光谱监测到吸附在BOC-{001}表面上臭氧(*O3)在光照条件下被迅速消耗;拉曼光谱则观察到BOC-{110}表面上*O的累积.此外,晶面工程还能调控光催化剂的内建电场,暴露{001}晶面促进激子的解离以及载流子的分离,进一步加速了光生电子活化臭氧的动力学过程,产生更多羟基自由基.因此,BOC-{001}在光催化臭氧化过程中表现出优异的苯酚矿化率(85%),明显优于BOC-{110}(53%),并保持良好的循环稳定性. 综上,晶面工程在光催化臭氧化体系中的创新性应用,为高性能催化剂的构筑提供了全新的视角.通过精准调控催化剂的暴露晶面与表面活性位点,可实现臭氧吸附强度、光生载流子迁移路径及活性自由基定向生成动力学的多维度优化.电荷分离效率与臭氧活化效率的同步提升,成功突破了光催化体系中单电子活化臭氧动力学的速率限制,进而有望实现难降解有机污染物的深度矿化.
Keyword ：
Bi2O2CO3 Bi2O2CO3 光催化臭氧化 光催化臭氧化 吸附构型 吸附构型 晶面工程 晶面工程 臭氧活化 臭氧活化
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| GB/T 7714 | 杨洋 , 杨洲 , 赖志明 et al. Bi2O2CO3纳米片晶面工程增强光催化臭氧化:揭示臭氧吸附与电子转移机制 [J]. | 催化学报 , 2025 , 72 (5) : 143-153 . |
| MLA | 杨洋 et al. "Bi2O2CO3纳米片晶面工程增强光催化臭氧化:揭示臭氧吸附与电子转移机制" . | 催化学报 72 . 5 (2025) : 143-153 . |
| APA | 杨洋 , 杨洲 , 赖志明 , 阳灿 , 侯乙东 , 陶慧琳 et al. Bi2O2CO3纳米片晶面工程增强光催化臭氧化:揭示臭氧吸附与电子转移机制 . | 催化学报 , 2025 , 72 (5) , 143-153 . |
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Designing porous structures has proven to be an effective strategy for enhancing the photocatalytic NO oxidation activity of carbon nitride (CN). Despite significant advances in the fabrication of porous CN, a cost-effective and high-yield synthesis method for porous CN is still highly desirable. In this study, we presented a facile strategy to synthesize porous carbon nitride by V2O5-assisted thermal oxidation process. Namely, after grinding bulk CN with a small amount of NH4VO3, the mixture was subjected to thermal treatment, resulting in porous carbon nitride with a yield of 50 %. The resulting porous structure, which features an enlarged surface area and enhanced charge separation efficiency, significantly improved the photocatalytic performance for NO removal-approximately four times higher than bulk CN. Additionally, the NO removal mechanism was investigated through in-situ Fourier transform infrared spectroscopy to observe reaction intermediates and electron paramagnetic resonance trapping experiments to identify active species, providing insight into the conversion pathway. The catalytic thermal oxidation etching process effectively tuned the microstructure of g-C3N4, offering a low-cost, easy-to-implement, and time-efficient method for synthesizing porous CN, thereby providing a promising approach for developing advanced photocatalysts.
Keyword ：
NO oxidation NO oxidation O 2 activation O 2 activation Photocatalysis Photocatalysis Porous carbon nitride Porous carbon nitride
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| GB/T 7714 | Fang, Zixun , Zhou, Yao , Yang, Zhou et al. V2O5-assisted thermal oxidation strategy for synthesizing porous carbon nitride with enhanced photocatalytic NO removal performance [J]. | SURFACES AND INTERFACES , 2025 , 60 . |
| MLA | Fang, Zixun et al. "V2O5-assisted thermal oxidation strategy for synthesizing porous carbon nitride with enhanced photocatalytic NO removal performance" . | SURFACES AND INTERFACES 60 (2025) . |
| APA | Fang, Zixun , Zhou, Yao , Yang, Zhou , Yang, Can , Zhang, Jinshui , Hou, Yidong . V2O5-assisted thermal oxidation strategy for synthesizing porous carbon nitride with enhanced photocatalytic NO removal performance . | SURFACES AND INTERFACES , 2025 , 60 . |
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Localized accumulation of carriers frequently induces corrosion on the surfaces of photocatalysts, restricting the efficacy of photocatalytic technology. The development of a strategy that precisely targets and transforms passivated corrosion regions into reactive sites holds significant potential, yet remains technically challenging. Herein, an advanced microscopy study reveals that BiOBr photocatalysts are susceptible to severe photo-corrosion, leading to a continual thickening of Bi2O3 crystalline films as the photo-oxidation products accumulate on the photocatalytic surfaces. Through a metal cation intercalation process, it is demonstrated that the passivated Bi2O3 films are precisely targeted by the accumulated holes and in situ converted to MxBiyOz (M = Co, Mn, Fe, Pb) nanobeads that act as co-catalysts to expedite charge transfer and enhance photostability. This work deepens the understanding of the atomistic photocorrosion mechanism of BiOBr photocatalysts and contributes to a versatile surface-targeted photochemical modification approach to tackle widespread photocorrosion challenges. © 2025 Wiley-VCH GmbH.
Keyword ：
BiOBr photocatalysts BiOBr photocatalysts co-catalysts co-catalysts metal cation intercalation metal cation intercalation photocatalysis photocatalysis photocorrosion photocorrosion
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| GB/T 7714 | Luo, Z. , Zhang, S. , Ye, X. et al. Direct Conversion of Passivated Photo-Corroded Sites into Active Co-Catalysts via In Situ Targeting [J]. | Advanced Functional Materials , 2025 . |
| MLA | Luo, Z. et al. "Direct Conversion of Passivated Photo-Corroded Sites into Active Co-Catalysts via In Situ Targeting" . | Advanced Functional Materials (2025) . |
| APA | Luo, Z. , Zhang, S. , Ye, X. , Xue, S. , Chen, J. , Huang, M. et al. Direct Conversion of Passivated Photo-Corroded Sites into Active Co-Catalysts via In Situ Targeting . | Advanced Functional Materials , 2025 . |
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Two-dimensional (2D) group III-IV-VI semiconductors show great potential for application in energy conversion fields. Herein, using density functional theory (DFT) calculations in conjunction with nonadiabatic molecular dynamics (NAMD) simulations and the nonequilibrium Green's function (NEGF) method, the photovoltaic performance of MGeSe (M = Ga and In) monolayers is systematically investigated. The MGeSe monolayers exhibit direct band gap semiconductor characteristics with strong optical absorption in the visible light region. Notably, the exciton binding energies and carrier lifetimes of GaGeSe (InGeSe) are 0.49 eV (0.50 eV) and 0.20 ns (2.82 ns), respectively, indicating efficient exciton dissociation and charge transport. Moreover, the maximum photocurrent and photoresponsivity of InGeSe reach 19.4 A/m2 and 0.39 A/W, highlighting its potential for high-efficiency photovoltaic applications. These findings provide valuable insights into the photovoltaic behavior of MGeSe monolayers and offer theoretical guidance for the design of next-generation 2D photovoltaic materials.
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| GB/T 7714 | Xiong, Rui , Zeng, Fanghua , Cui, Zhou et al. Two-Dimensional MGeSe: Promising Photovoltaic Materials with Long Carrier Lifetime and High Photocurrent [J]. | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (35) : 9070-9077 . |
| MLA | Xiong, Rui et al. "Two-Dimensional MGeSe: Promising Photovoltaic Materials with Long Carrier Lifetime and High Photocurrent" . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS 16 . 35 (2025) : 9070-9077 . |
| APA | Xiong, Rui , Zeng, Fanghua , Cui, Zhou , Wen, Cuilian , Sa, Baisheng , Yang, Can . Two-Dimensional MGeSe: Promising Photovoltaic Materials with Long Carrier Lifetime and High Photocurrent . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (35) , 9070-9077 . |
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The commercial application of flexible lithium-sulfur batteries is severely hindered by poor conductivity, low active material loading, polysulfide shuttle effects, and sluggish redox kinetics. Herein, we developed a unique three-dimensional (3D) conductive network framework decorated with NiCo bimetallic particles. The 3D porous carbon conductive network skeleton formed by crosslinked carbon nanotubes effectively mitigates the volume expansion of sulfur and accommodates abundant active materials for high discharge capacity. Meanwhile, the NiCo bimetallic combines the catalytic role of Ni in sulfur reduction and Co in sulfur oxidation to achieve improved kinetics of the entire conversion of sulfur. Most importantly, the sulfur host synergizes the conducting CNTs and catalytically active bimetallic, increasing conductance and accelerating reaction kinetics, resulting in a significant improvement in rate performance. Consequently, the cells equipped with NiCo@CNT-S cathode exhibit a low-capacity decay rate of only 0.07% per cycle over 400 cycles at 1C, and an ultra-high initial specific capacity of 1030 mAh g- 1 at a high rate of 5C. Notably, the pouch cell assembled with the NiCo@CNT-S could deliver a high areal discharge capacity of 8.2 mAh cm- 2 at 0.1C, with a sulfur loading of 7.1 mg cm-2 and an E/S ratio of 7.1 mu L mg-1. This work provides novel structural design and mechanism insights for the practical application of flexible lithium-sulfur batteries.
Keyword ：
Bimetal Bimetal Carbon nanotubes Carbon nanotubes Li-S batteries Li-S batteries Lithium polysulfides Lithium polysulfides Rate performance Rate performance
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| GB/T 7714 | Liao, Shuyu , Xie, Yonghui , Zheng, Wenrui et al. Enhancing rate performance in lithium-sulfur batteries via synergistic bidirectional catalysis and improved conductivity [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 506 . |
| MLA | Liao, Shuyu et al. "Enhancing rate performance in lithium-sulfur batteries via synergistic bidirectional catalysis and improved conductivity" . | CHEMICAL ENGINEERING JOURNAL 506 (2025) . |
| APA | Liao, Shuyu , Xie, Yonghui , Zheng, Wenrui , Huang, Zewei , Zhang, Hong , Luo, Zhong-Zhen et al. Enhancing rate performance in lithium-sulfur batteries via synergistic bidirectional catalysis and improved conductivity . | CHEMICAL ENGINEERING JOURNAL , 2025 , 506 . |
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The integration of photoelectrochemical (PEC) technology with persulfate-based advanced oxidation processes has emerged as a promising approach for efficient pollutant removal in environmental remediation. Herein, we developed a novel PEC system combining a Co3O4/BiVO4 (CO/BVO) photoanode with a CoFe2O4/carbon paper (CFO/CP) cathode for activating peroxymonosulfate (PMS) toward bisphenol A (BPA) removal. The enhanced photogenerated charge separation in CO/BVO and the PMS activation by CFO/CP in the PEC system enabled complete BPA degradation within 60 minutes under optimized conditions (1.0 V bias, 1.0 mM PMS). The influence of PMS concentration, applied bias, pH, and coexisting anions on BPA degradation was thoroughly investigated. Radical scavenging experiments combined with electron paramagnetic resonance analysis identified center dot SO4-, center dot OH, and photogenerated holes as dominant reactive species. The system also exhibited good stability over five consecutive cycles, with minimal metal ion leaching. This work demonstrates the potential of an efficient PEC system integrated with sulfate radical-based AOPs, offering an innovative approach for organic pollutant remediation in wastewater treatment.
Keyword ：
Organic removal Organic removal Peroxymonosulfate Peroxymonosulfate Photoelectrocatalytic Photoelectrocatalytic
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| GB/T 7714 | Geng, Xuanran , Zhang, Renfu , Zhang, Peiyun et al. Photoelectrochemical cell with Co3O4/BiVO4 photoanode and CoFe2O4 cathode: An efficient persulfate activation system for organic pollutants degradation [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
| MLA | Geng, Xuanran et al. "Photoelectrochemical cell with Co3O4/BiVO4 photoanode and CoFe2O4 cathode: An efficient persulfate activation system for organic pollutants degradation" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 13 . 2 (2025) . |
| APA | Geng, Xuanran , Zhang, Renfu , Zhang, Peiyun , Yuan, Xiaoying , Yang, Can , Hou, Yidong et al. Photoelectrochemical cell with Co3O4/BiVO4 photoanode and CoFe2O4 cathode: An efficient persulfate activation system for organic pollutants degradation . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
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A series of linear CPs (BPy-X) are developed and the structural dependence of residual Cu, along with its positive role in photocatalytic H2S oxidation, is investigated.
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| GB/T 7714 | Zeng, Fanghua , Feng, Yudi , Wang, Jiali et al. Insight into the structure-dependent effects of metal residues in conjugated polymers [J]. | CHEMICAL COMMUNICATIONS , 2025 , 61 (53) : 9626-9629 . |
| MLA | Zeng, Fanghua et al. "Insight into the structure-dependent effects of metal residues in conjugated polymers" . | CHEMICAL COMMUNICATIONS 61 . 53 (2025) : 9626-9629 . |
| APA | Zeng, Fanghua , Feng, Yudi , Wang, Jiali , Lin, Yanfeng , Xiong, Rui , Wu, Dapeng et al. Insight into the structure-dependent effects of metal residues in conjugated polymers . | CHEMICAL COMMUNICATIONS , 2025 , 61 (53) , 9626-9629 . |
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Photocatalytic ozonation holds promise for advanced water purification, yet its development has been hindered by a limited understanding of ozone activation mechanisms and its related photogenerated electron transfer dynamics. Herein, we employed in-situ DRIFTS and Raman spectroscopy to elucidate the distinct adsorption and activation behaviors of ozone (O3) on the {001} and {110} crystal facets of Bi2O2CO3 (BOC) nanosheets. BOC-{001} demonstrates superior photocatalytic ozonation performance, with 85% phenol mineralization and excellent durability, significantly outperforming the 53% mineralization rate of BOC-{110}. This enhanced activity is attributed to non-dissociative ozone adsorption and favorable adsorption energy over {001} facet, which facilitate the one-electron O3 reduction pathway. Furthermore, crystal facet engineering strengthens the built-in electric field, promoting exciton dissociation and the generation of localized charge carriers. The synergistic effects of optimized electron availability and ozone adsorption significantly boost the production of reactive oxygen species. These findings provide a deeper understanding of the critical roles of O3 adsorption and electron transfer in radical generation, which could provide some guidance for the strategic development of highly effective photocatalytic ozonation catalysts. © 2025 Dalian Institute of Chemical Physics, the Chinese Academy of Sciences
Keyword ：
Air cleaners Air cleaners Boron compounds Boron compounds Nanosheets Nanosheets Ozonization Ozonization Photocatalysis Photocatalysis Selenium compounds Selenium compounds
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| GB/T 7714 | Yang, Yang , Yang, Zhou , Lai, Zhiming et al. Crystal facet engineering of Bi2O2CO3 nanosheets to enhance photocatalytic ozonation: Unraveling ozone adsorption and electron transfer mechanism [J]. | Chinese Journal of Catalysis , 2025 , 72 : 143-153 . |
| MLA | Yang, Yang et al. "Crystal facet engineering of Bi2O2CO3 nanosheets to enhance photocatalytic ozonation: Unraveling ozone adsorption and electron transfer mechanism" . | Chinese Journal of Catalysis 72 (2025) : 143-153 . |
| APA | Yang, Yang , Yang, Zhou , Lai, Zhiming , Yang, Can , Hou, Yidong , Tao, Huilin et al. Crystal facet engineering of Bi2O2CO3 nanosheets to enhance photocatalytic ozonation: Unraveling ozone adsorption and electron transfer mechanism . | Chinese Journal of Catalysis , 2025 , 72 , 143-153 . |
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A novel pulsed laser-assisted modification was firstly employed to tailor the doping configuration of heteroatoms into graphitic carbon nitride (g-C3N4). Compared with the traditional thermal treatment to form single boron doping configurations (BCN-A), the laser modification could in situ incorporate boron dopants with two distinct configurations (corner (B-(N)3) and bay (H-B-(N)2) motifs) (BCN-L). Experimental characterizations and theory simulations reveal that the cyano group induces defect levels near the valence band (VB) maximum, while its incorporation with the H-B-(N)2 motifs results in the relocation of these defect levels to the vicinity of conduction band (CB) minimum. This modification effectively tunes the band structure of the g-C3N4, enhancing charge separation efficiency and extending the range of light absorption. Moreover, the B-(N)3 motifs at the corners significantly increased surface charge polarization, which boosted the adsorption of oxygen molecules and promoted electron transfer at the catalyst/O2 interface. Density functional theory simulation further revealed that the strong interactions between boron and oxygen atoms could boost oxygen adsorption and promote the formation of intermediate center dot O2- , which represents the initial step in this reaction mechanism. With these beneficial characteristics, the photocatalytic H2O2 production rate of the modified g-C3N4 reached 994.1 mu mol g- 1h- 1, which indicates a significant increase from the 239.6 mu mol - 1h- 1 of the pristine g-C3N4. Furthermore, the optimal BCN-L demonstrated significant photo-corrosion resistance, which maintained high catalytic activity for 10 h of continuous operation without noticeable degradation, achieving a total H2O2 yield of 10.2 mmol g- 1.
Keyword ：
Dual defects Dual defects Laser modification Laser modification Photocatalysis Photocatalysis
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| GB/T 7714 | Wang, Hongju , Wang, Shasha , Li, Jie et al. A tale of two boron sites in g-C3N4: Pulse laser-assisted modification and enhanced 2e-preferences for photocatalytic H2O2 production [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 510 . |
| MLA | Wang, Hongju et al. "A tale of two boron sites in g-C3N4: Pulse laser-assisted modification and enhanced 2e-preferences for photocatalytic H2O2 production" . | CHEMICAL ENGINEERING JOURNAL 510 (2025) . |
| APA | Wang, Hongju , Wang, Shasha , Li, Jie , Zhi, Songsong , Liu, Yanlei , Jiang, Kai et al. A tale of two boron sites in g-C3N4: Pulse laser-assisted modification and enhanced 2e-preferences for photocatalytic H2O2 production . | CHEMICAL ENGINEERING JOURNAL , 2025 , 510 . |
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The development of durable and highly efficient visible-light-driven photocatalysts is essential for the photo- catalytic ozonation process towards degrading organic pollutants. This study presents CN-MA, a novel photo- catalyst synthesized by grafting carbon nitride (CN) with single-atom Mn and 2-hydroxy-4,6-dimethylpyrimidine (HDMP) via one-step thermal polymerization. Experimental characterization and theoretical calculation results reveal that incorporating single-atom Mn and HDMP into CN alters the charge density distribution on the heptazine rings. This modification enhances the absorption of visible light and reduces exciton binding energy, leading to improved separation and migration of photogenerated charge carriers. Moreover, the single-atom Mn provides abundant active sites for O3 adsorption and activation, which increases the utilization of photo- generated electrons to produce highly reactive oxidative species. Consequently, CN-MA exhibits superior photocatalytic ozonation activity, achieving 94% mineralization of phenol within 60 min and maintaining excellent stability over multiple cycles. The research also proposes a plausible reaction mechanism based on free-radical trapping experiments and steady-state concentration experiments using molecular probes. This strategy advances the development of molecular-engineered catalysts co-modified with single metal atoms, thereby enhancing the photocatalytic ozonation process for the degradation of organic pollutants.
Keyword ：
Carbon nitride Carbon nitride Molecular engineering Molecular engineering Photocatalytic ozonation Photocatalytic ozonation Single-atom Single-atom
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| GB/T 7714 | Lai, Zhiming , Yang, Yang , Yang, Zhou et al. Carbon nitride grafted with single-atom manganese and 2-hydroxy-4,6-di-methylpyrimidine: A visible-light-driven photocatalyst for enhanced ozonation of organic pollutants [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 683 : 1106-1118 . |
| MLA | Lai, Zhiming et al. "Carbon nitride grafted with single-atom manganese and 2-hydroxy-4,6-di-methylpyrimidine: A visible-light-driven photocatalyst for enhanced ozonation of organic pollutants" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 683 (2025) : 1106-1118 . |
| APA | Lai, Zhiming , Yang, Yang , Yang, Zhou , Ruan, Wenqi , Yang, Can , Chen, Qiang et al. Carbon nitride grafted with single-atom manganese and 2-hydroxy-4,6-di-methylpyrimidine: A visible-light-driven photocatalyst for enhanced ozonation of organic pollutants . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 683 , 1106-1118 . |
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